Sharp Aquos LC-32G4U, Service Manual

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LC-32G4U/G4D
LC-37G4U/G4D
ADJUSTMENT PROCEDURES
The adjustment values are set to the optimum conditions at the factory before shipping. If a value should become
improper or an adjustment is required due to part replacement, make an adjustment according to the following
procedure.
(On the display)
1. If the monitor microcomputer (IC2004), receiver IC (IC2206), or HDCP key ROM (IC2208) are replaced, please
note that the display unit must be replaced.
Applicable unit : DKEYHC269VJ
2. Adjusting procedure
Entering the adjustment process mode
→
COM BIAS adjustment
→
White adjustment
3. Entering the adjustment process mode
(1) When the AVC system is not connected
•
While the main power to the display is off, hold down the "CH(
Ù
)" key and "VOL (+)" key on the upper
part of the display and then turn the"MAIN POWER" "ON". The display will run in the "Display process
mode".
(2) When the AVC system is connected
•
While the main power of the display is off, hold down the "CH(
Ù
)"key and "VOL (+)" key on the upper
part of the display and then turn the "MAIN POWER" "ON". The display will run in the "Display process
mode".
In each case of (1) and (2), "<K>" is displayed in the upper left portion of the screen.
Then, pressing any key will bring you to the first page of the "Display Adjustment mode".
~
To exit the adjustment process mode, turn OFF the main power.
4. Adjustment process mode key operation table
Key
Cursor UP
Cursor DOWN
Cursor RIGHT
Cursor LEFT
ENTER
INPUT
CH (
ù
)
CH (
Ù
)
VOL (+)
VOL (–)
∗∗
Function 1 (when on the left side of a page)
Moving up by one item or moving to the
previous page (when at the top)
Moving down by one item or moving to the next
page (when at the bottom)
Moving to the right by one item or moving to
another page (in the case of the initial page)
Moving to the left by one item or moving to
another page (in the case of the initial page)
Test pattern off
Moving to the next page
Moving up by one item or moving to the
previous page (when at the top)
Moving down by one item or moving to the next
page (when at the bottom)
Moving to the right by one item or moving to
another page (in the case of the initial page)
Moving to the left by one item or moving to
another page (in the case of the initial page)
Function 2 (when changing a numeric value)
Incrementing the adjustment value by one or
executing the item (in the case of W or R items)
Decrementing the adjustment value by one or
executing the item (in the case of W or R items)
Moving to the right by one item
Moving to the left by one item
Executing the item (in the case of W or R items)
Moving to the next page
Incrementing the adjustment value by one or
executing the item (in the case of W or R items)
Decrementing the adjustment value by one or
executing the item (in the case of W or R items)
Moving to the right by one item
Moving to the left by one item